SI4022-A1-FT Silicon Laboratories Inc, SI4022-A1-FT Datasheet - Page 5

• Manufacturer Part Number: SI4022-A1-FT
• Description: IC TX FSK 915MHZ 3.8V 16-TSSOP
• Manufacturer: Silicon Laboratories Inc
• Type: ISM Band FSK Transmitterr

Specifications of SI4022-A1-FT

• Package / Case: 16-TSSOP
• Frequency: 868MHz, 915MHz
• Applications: ISM
• Modulation Or Protocol: FSK
• Data Rate - Maximum: 115.2kbps
• Power - Output: 6dBm
• Current - Transmitting: 24mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 2.2 V ~ 3.8 V
• Operating Temperature: -40°C ~ 85°C
• Operating Frequency: 434 MHz to 915 MHz
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 2.5 V, 3.3 V
• Supply Current: 24 mA
• Supply Voltage (max): 3.8 V
• Supply Voltage (min): 2.2 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Memory Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 336-1623-5

Note 1:
Note 1:
Note 2:
Note 2:
Note 3:
Note 3:
DC Characteristics (continued)
AC Characteristics
Note 1:
Note 1:
Note 1: Using anything but a 10 MHz crystal is allowed but not recommended because all crystal-referred timing and frequency
Note 2:
Note 2:
Note 2: No command are accepted by the chip during this period.
Note 3:
Note 3:
Note 3: Autocalibration can be turned off.
Symbol
V
V
I
I
V
V
Symbol
f
f
f
t
t
C
t
t
t
t
il
ih
LO
ref
res
lock
sp
POR
sx
PBt
wake-up
il
ih
ol
oh
xl
parameters will change accordingly.
Digital input low level
Digital input high level
Digital input current
Digital input current
Digital output low level
Digital output high level
Parameter
Transmitter frequency
PLL reference frequency
PLL frequency resolution
PLL lock time
PLL startup time
Crystal load capacitance,
see crystal selection guide
Internal POR pulse width
(Note 2)
Crystal oscillator startup time
Wake-up timer clock period
Programmable wake-up time
Parameter
Conditions/Notes
868 MHz band, 20 kHz resolution
915 MHz band, 20 kHz resolution
(Note 1)
Frequency error < 1kHz
after 1 MHz step
Initial calibration after power-up
with running crystal oscillator
Programmable in 0.5 pF steps,
tolerance +/- 10%
After V
final value
Crystal ESR < 100 Ω
Calibrated every 40 seconds
(Note 3)
Conditions/Notes
V
V
I
I
ol
oh
il
ih
= 2 mA
= 0 V
= -2 mA
= V
dd
dd
has reached 90% of
, V
dd
= 3.8 V
0.7*V
V
801.92
881.92
Min
0.995
dd
Min
-1
-1
8.5
-0.4
9
1
dd
Typ
Typ
10
20
30
50
2
1
0.3*V
8.4*10
878.06
958.06
1.005
Max
Max
500
100
0.4
11
16
1
1
5
dd
6
Units
Units
MHz
MHz
kHz
ms
ms
ms
ms
µA
µA
pF
μs
μs
V
V
V
V
Si4022
5